在某矿区内拟建设一座35/10kV变电所，两回35kV架空进线，设两台主变压器，型号为S9-6300/35。采用屋内双层布置，主变压器室、10kV配电室、电容器室、维修间、备件库等均布置在一层，35kV配电室、控制室布置在二层，请回答下列问题：
其中有四台柜为柜后架空进出线。请说明柜内不同相的带电部分之间最小安全净距，下列哪项数据是正确的( )
A．125mm
B．150mm
C．300mm
D．400mm
参考答案：C
解析：[根据] GB 50060-2008《3～110kV高压配电装置设计规范》表5.1.1条，5.1.3条。
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| 根据文章内容，给学校平面图标上正确的英文名称，请将字母A-E所代表的建筑物等名称填在第1-5题 的相应位置。 Our school is a beautiful garden school. When you enter the school gate, you will see a wide road leading to (通往) the Lab Building which students do their experiments and have their English class-es. On the left side of the road is the Library; on the right is the Big Garden with all kinds of flowers. To the west of the Lab Building stands the Office Building. Behind the Lab Building is the Teaching Building, which has 32 classes. Our big playground is to the east of these buildings with lots of trees around it. Welcome to our beautiful school. 
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